Документ взят из кэша поисковой машины. Адрес оригинального документа : http://xmm.vilspa.esa.es/sas/6.5.0/doc/sensitivity/node5.html
Дата изменения: Tue Aug 16 06:52:50 2005
Дата индексирования: Sat Dec 22 12:12:54 2007
Кодировка:
Поисковые слова: п п п п п п п п п п п п п п п п п п п

XMM-Newton Science Analysis System


sensitivity (esensitivity-1.5) [xmmsas_20050815_1803-6.5.0]

Meta Index / Home Page

Parameters

This section documents the parameters recognized by this task (if any).

Parameter	Mand	Type	Default	Constraints
weights	yes	real		$0\le$weights
This list of real values contains the information about the spectrum of the source. They correspond to the $\mu_i$ values in equation 2. They need not be normalized however: the task will do this itself. At least one of the values in the list must be greater than zero. Note that these values represent the detected spectrum of the source; that is, $\mu_i$ is the total number of detected counts within energy band $i$ during a given exposure time, on the optic axis, assuming no chip gaps or bad pixels under the PSF.
boxbkgmapsets	yes	dataset
A list of input images, one per energy band. These images are made by esensitivity calling asmooth. They are formed by convolving the background maps with the square detection box.
psfexpmapsets	yes	dataset
A list of input images, one per energy band. These images are made by esensitivity calling econvolverprep followed by asmooth. They are formed by truncating the normalized PSF within the detection box and convolving the exposure maps with the result. Thus these images are in units of seconds and in some sense represent the exposure `seen' within the sliding source-detection box.
expmapsets	yes	dataset
A list of exposure maps. These were utilized in a previous version of the task but appear to serve little function in the present version. In future I'll probably remove them.
sensmapsets	yes	dataset
The output sensitivity maps, one per energy band. These are in units of counts $\rm {s}^{-1}$.
likemin	yes	real		$0<$likemin
The same cutoff value of detection likelihood $L_{\rm {cutoff}}$ which was supplied to the parameter of the same name of eboxdetect.
Parameter	Mand	Type	Default	Constraints